Flight OddsB6635 BUF → SJU
JetBlue Airways · Buffalo, NY to San Juan, PR · 55 flights observed, 2026-03-27 to 2026-06-29 · 1,845 mi
On-time arrival
82%
Median delay
+2 min
90th percentile
+23 min
Cancellation rate
0%
How often is B6635 on time?
Across 55 flights on BUF → SJU from 2026-03-27 to 2026-06-29, B6635 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +23 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 45 | 82% |
| 16-30 min | 7 | 13% |
| 31-60 min | 1 | 2% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 3 | 67% | +9 min |
| 2026-04 | 17 | 88% | +1 min |
| 2026-05 | 18 | 67% | +21 min |
| 2026-06 | 17 | 94% | -20 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 14 | 79% |
| Tue | No data | — |
| Wed | 13 | 69% |
| Thu | No data | — |
| Fri | 14 | 100% |
| Sat | 14 | 79% |
| Sun | No data | — |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…